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Continuous Beam Steering Antenna with Large 2D Coverage for 5G Applications

Abstract : A gap waveguide continuous beam steering antenna is proposed in the 60-GHz band for 5G applications. The antenna is composed of two parts i) a quasi-TEM feeding network, ii) a slotted radiating plate. The relative mechanical rotation between the two parts generates a phase gradient across the radiating part and the beam radiated in the upper hemisphere can be scanned continuously. The antenna is developed in hollow waveguide with a contactless technology to ease the mechanical movement between the antenna parts. The proposed antenna has been validated numerically and experimentally in the 60-GHz band. Very good agreement has been obtained between simulations and measurements. The antenna field of view reaches +/- 60 degrees. and its bandwidth equals 13% for VSWR<2. The losses within the structure are 0.5dB. Finally a large 2D beam coverage can be obtained by combining frequency scanning and mechanical rotation of the two antenna parts; these results are also confirmed experimentally.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01737246
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Submitted on : Monday, March 19, 2018 - 1:06:59 PM
Last modification on : Monday, October 5, 2020 - 9:50:26 AM

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  • HAL Id : hal-01737246, version 1

Citation

Karim Tekkouk, Jiro Hirokawa, Makoto Ando, Ronan Sauleau. Continuous Beam Steering Antenna with Large 2D Coverage for 5G Applications. International Symposium of IEEE-Antennas-and-Propagation-Society / USNC/URSI National Radio Science Meeting, Jul 2017, San Diego, CA, United States. ⟨hal-01737246⟩

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